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Enrico Fermi

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Some recent work by E. Fermi and L. Szilard, which has been communicated to me in manuscript, leads me to expect that the element uranium may be turned into a new and important source of energy in the immediate future. Certain aspects of the situation seem to call for watchfulness and, if necessary, quick action on the part of the Administration...
--
Albert Einstein, in the famous letter to President Franklin D. Roosevelt which prompted attention to what eventually became the Manhattan Project. (1939-08-02; delivered 1939-10-11)

 
Enrico Fermi

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Some recent work by E. Fermi and L. Szilard, which has been communicated to me in manuscript, leads me to expect that the element uranium may be turned into a new and important source of energy in the immediate future. Certain aspects of the situation seem to call for watchfulness and, if necessary, quick action on the part of the Administration...

This new phenomenon would also lead to the construction of bombs, and it is conceivable—though much less certain—that extremely powerful bombs of a new type may thus be constructed. A single bomb of this type, carried by boat or exploded in a port, might very well destroy the whole port together with some of the surrounding territory. However, such bombs might very well prove to be too heavy for transportation by air.

 
Albert Einstein
 

It would be interesting to use high temperatures - in the billions, which develop during atomic bomb explosions, for conducting synthetic reactions (for example, the formation of helium from hydrogen), which are the source of energy of stars and which could raise the energy liberated during the explosion of basic matter (uranium, bismuth, lead) even higher.

 
Yakov Frenkel
 

John Langshaw Austin... made a number of contributions in various areas of philosophy, including important work on knowledge, perception, action, freedom, truth, language, and the use of language in speech acts. Distinctions that Austin draws in his work on speech acts—in particular his distinction between locutionary, illocutionary, and perlocutionary acts—have assumed something like canonical status in more recent work. His work on knowledge and perception places him in a broad tradition of “Oxford Realism”, running from Cook Wilson and Harold Arthur Prichard through to J. M. Hinton, M. G. F. Martin, John McDowell, Paul Snowdon, Charles Travis, and Timothy Williamson. His work on truth has played an important role in recent discussions of the extent to which sentence meaning can be accounted for in terms of truth-conditions.

 
J. L. Austin
 

The governments principally involved, to the extent permitted by elementary prudence, should begin now and continue to make joint contributions from their stockpiles of normal uranium and fissionable materials to an international atomic energy agency. We would expect that such an agency would be set up under the aegis of the United Nations. [...] The atomic energy agency could be made responsible for the impounding, storage and protection of the contributed fissionable and other materials. The ingenuity of our scientists will provide special safe conditions under which such a bank of fissionable material can be made essentially immune to surprise seizure. The more important responsibility of this atomic energy agency would be to devise methods whereby this fissionable material would be allocated to serve the peaceful pursuits of mankind. Experts would be mobilized to apply atomic energy to the needs of agriculture, medicine and other peaceful activities. A special purpose would be to provide abundant electrical energy in the power-starved areas of the world.

 
Dwight D. Eisenhower
 

With regard to the Iranians, we know that by not talking to Iran the U.S. did not improve the situation. Today Iran is a nuclear power - it doesn’t have nuclear weapons yet, but in 2001 it was not yet able to convert uranium or uranium gas, it didn’t have a single centrifuge. Now it’s stockpiling highly enriched uranium. So the current approach of not talking hasn’t worked. There’s no guarantee that if you talk you’ll succeed, but if you don’t talk you will fail.

 
Dennis Ross
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